1444423025 has 12 divisors (see below), whose sum is σ = 1793356572. Its totient is φ = 1154072640.

The previous prime is 1444423009. The next prime is 1444423031. The reversal of 1444423025 is 5203244441.

It can be written as a sum of positive squares in 6 ways, for example, as 3157729 + 1441265296 = 1777^2 + 37964^2 .

It is not a de Polignac number, because 1444423025 - 2⁴ = 1444423009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16322 + ... + 56171.

It is an arithmetic number, because the mean of its divisors is an integer number (149446381).

Almost surely, 2^1444423025 is an apocalyptic number.

It is an amenable number.

1444423025 is a deficient number, since it is larger than the sum of its proper divisors (348933547).

1444423025 is an equidigital number, since it uses as much as digits as its factorization.

1444423025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73300 (or 73295 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 1444423025 is about 38005.5657108271. The cubic root of 1444423025 is about 1130.3982267824.

Adding to 1444423025 its reverse (5203244441), we get a palindrome (6647667466).

The spelling of 1444423025 in words is "one billion, four hundred forty-four million, four hundred twenty-three thousand, twenty-five".